CRM Software
Open-source CRM tools
6 of the 46 CRM tools in this directory are open source, according to their own sites.
All of them are free or have a free plan.
Listings checked up to Oct 5, 2026 · Where the facts come from
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| Odoo CRMOpen-source CRM app from the Odoo business suite | Free plan | Yes | Web, iOS, Android |
| VtigerAll-in-one CRM with a free cloud plan and an open-source edition | Free plan · from $12/mo | Yes | Web, iOS, Android |
| TwentyOpen-source CRM with a custom data model, cloud or self-hosted | Free plan · from $9/mo | Yes | Web |
| Monica Personal CRMOpen-source personal CRM for friends, family and colleagues | Free plan · from $9/mo | Yes | Web |
| SuiteCRMOpen-source CRM with no per-user license fees | Free plan · from £130/mo | Yes | Web |
| EspoCRMOpen-source CRM you can self-host for free or rent in the cloud | Free plan · from $15/mo | Yes | Web |
Common questions
Which CRM tools are open source?
6 of the 46 CRM tools in this directory are open source, according to their own sites. They are Odoo CRM, Vtiger, Twenty, Monica Personal CRM, SuiteCRM and EspoCRM.
When was this checked?
Every listing on this page was checked on Oct 5, 2026, against the pages it cites. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.